1 /*
2  * Copyright 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef SMOKEPLAYER_APPCALLBACKAUDIOSINK_H
18 #define SMOKEPLAYER_APPCALLBACKAUDIOSINK_H
19 
20 #include <jni.h>
21 
22 #include "AudioSink.h"
23 
24 class AppCallbackAudioSink: public AudioSink {
25 public:
26     AppCallbackAudioSink(JNIEnv *env, jobject callbackObj);
27 
28     virtual void init(int numFrames, int numChannels) override;
29     virtual void start() override;
30     virtual void stop() override;
31 
32     virtual void push(float* audioData, int numFrames, int numChannels) override;
33 
34     void releaseJNIResources(JNIEnv *env);
35 
36 private:
37     // JNI Stuff
38     JavaVM* mJVM;
39     jobject mCallbackObj;
40     jmethodID mMIDonDataReady;
41 
42     jfloatArray mAudioDataArray;
43     int mAudioDataArrayLength;
44 };
45 
46 #endif //SMOKEPLAYER_APPCALLBACKAUDIOSINK_H
47